package com.college.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.college.servicebase.exceptionhandler.CollegeException;
import com.college.vod.service.VodService;
import com.college.vod.utils.ConstantVodUtils;
import com.college.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {

    //上传视频到阿里云
    @Override
    public String uploadAlyVideo(MultipartFile file) {
        try {
            //fileName:上传文件原始名称
            String fileName = file.getOriginalFilename();

            //title:上传之后显示的名称
            String title = fileName.substring(0, fileName.indexOf("."));

            //inputStream:上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else {
                videoId = response.getVideoId();
            }
            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    //删除多个视频
    @Override
    public void removeMoreAlyVideo(List videoIdList) {
        try {
            //初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            DeleteVideoRequest request = new DeleteVideoRequest();

            String join = StringUtils.join(videoIdList.toArray(), ",");

            request.setVideoIds(join);
            client.getAcsResponse(request);
        } catch (Exception e) {
            e.printStackTrace();
            throw new CollegeException(20001,"删除视频失败");
        }
    }

    public static void main(String[] args) {
        List<String> list = new ArrayList<>();
        list.add("11");
        list.add("22");
        list.add("33");
        // 11,22,33
        String join = StringUtils.join(list.toArray(), ",");
        System.out.println(join);
    }
}
